#include <cstdio>
#define RI register int

int main() {
    int T; scanf("%d", &T);
    while (T--) {
        int n, m, p;
        scanf("%d %d %d", &n, &m, &p);
        p = 100 - p;
        int ans = 0; 
        while (n >= m) {
            int tim = n / m;
            ans += tim;
            n -= tim * m;
            n += tim * (m * p / 100); 
        } 
        printf("%d\n", ans);
    }
    return 0;
}